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Then a friend suggested a handheld anti-anxiety device."I was keen to give it a try, but was not convinced it would be of benefit to me," she says.
The biosensor device, called Pip, is gripped between the thumb and forefinger, looks a bit like a small iPod, and measures sweat and electrodermal activity associated with stress levels.
People working to manage their anxiety can then play a number of games like Relax & Race, where relaxing confers a competitive advantage.
"After a couple of days," says Miss Philips, "I had stopped taking relaxing medication, which I had been relying on due to anxiety.
"This was a surprise to me. It was a great tool for helping to slow down your body and mind, a great substitution for relaxing medicine."
Pip is among a batch of new stress-management gadgets. It is produced by a Dublin start-up called Galvanic, with Trinity College Dublin psychology professor Ian Robertson as chair of its scientific advisory board.
The device, which connects by Bluetooth with smart devices, was originally researched and patented in 2007, but the company did not survive Ireland's downturn.
Some 10.4 million days are lost annually to work-related stress in the UK, according to the Health and Safety Executive.
The World Health Organization says it costs businesses in the US $300bn (Â£187bn; â‚¬237bn) a year.
Mindfulness - meditation practices found to have an impact on anxiety, by focusing on the present moment - is newly in vogue, with an all-party parliamentary group last month recommending all new NHS medical and teaching staff be given training in it.
A higher-tech take on mindfulness, Pip is designed for users to pick up and make an effort at managing their stress, through instant biofeedback to learn what techniques work best, says Galvanic's chief executive David Ingram.
Another approach is wearable technology - such as Insight, part of the redLoop project and designed at Middlesex University.
Project director Dr Andy Bardill says, "[Anxiety has] various different parameters to it, some of which are measurable and can be indicated by reliable biomarkers, while others are more qualitative, more patient dependent."
Skin conductivity - tied to how much you sweat - is a biomarker of stress, part of the fight-or-flight response, but also goes down when there is high humidity, or up when you go up stairs.
"Getting baseline data is important: it could be it's gone down because you've done exercise or you're unwell, not because you're anxious,' says Dr Bardill.
Insight features wristbands, heartbeat monitors, and an iPhone app. With a log of when and where every heartbeat of a person takes place, Dr Bardill says analysing the data requires "episodic analysis, essentially data analytics used in the intelligence community".
Another wearable device, designed in Canada, is a headband called Muse.
"It's clinical grade EEG (electroencephalography, recording brain electrical activity) in this slim, sleek little consumer form factor," says Ariel Garten, a psychotherapist and chief executive of InteraXon, which developed the device.
With it, a person can track their brain activity in real time on a smartphone or tablet, and practise focused attention.
"It's like mindfulness on hyperdrive," she says.
Stress tech has been bolstered by the ready availability of smart devices, to which devices like Pip, Insight and Muse can connect by Bluetooth.
A different approach invokes another recent trend, social networking.
Jennifer Hyatt founded Big White Wall, an anonymous social network to support people in managing mental health. Half its members use the site to relieve anxiety.
She began the website after the suicide of a friend's partner, believing technology offered support and recovery tools, carrying no shame or stigma.
At the top tier, the website provides a secure Skype-like platform, where a member can deal with an issue directly with a clinician.
In middle levels, there is a course on Cognitive Behavioural Therapy for managing anxiety. At lower levels, members may write on "bricks", set up groups, anonymously befriend others, and track themselves against measures such as GAD 7, a self-administered Generalised Anxiety Disorder assessment.
Ms Hyatt says Big White Wall has 4,500 active users in any month. Initially, 40% were under 25; now, the largest group is 35 to 44-year-olds, with over 55s increasing fast.
Syed Abrar is the man behind Buddy, a mobile phone-based platform.
"It can be a Â£10 supermarket throwaway - as long as it sends texts, you can use Buddy," he says.
Texting is discreet, says Mr Abrar. People may not have pens to hand and might need to explain keeping a physical diary, but texting "allows soldiers to keep their game face on, or you can be sat in a pub, or with parents, and can send stuff and capture feelings in a contemporaneous way".
Users receive texts from Buddy asking how they feel and what they are doing, and later can see links between what they were doing and how they felt - and "manage their own journey of recovery".
One challenge in evaluating new stress tech devices is the different speed of private technology development versus publicly funded research.
Dr Lisa Marzano, senior psychology lecturer at Middlesex University, says, "Academia, funding bodies, and research councils work at a very different, much slower pace than the field of computing."
Accordingly, researchers still know relatively little about the effectiveness of new stress tech, or users' experiences in everyday life, or integrating into existing mental health interventions.
"When you have something that's evolving so quickly, it's really hard to measure its impact before it evolves yet again," adds Sarah Amani from the Oxford Academic Health Science Network.
A related challenge is identifying good developers.
There is a conference next month on frameworks to evaluate mental health apps, shy of large clinical trials, hosted by MindTech, a technology co-operative founded by the Nottinghamshire NHS Trust and University of Nottingham.
Dr Jen Martin, MindTech project manager, counts roughly 5,000 apps aimed at mental health and wellbeing, and says, "A lot of those, while they might not be particularly damaging, might not be particularly helpful."
But experts also recognise the potential for stress tech to reach people in need at a time of cutbacks and waiting lists.
The availability of devices, a rapid increase in scope and evolution, it's enough to give you a headache.
Or maybe, perhaps, make it feel a bit better.
Mairin Philips (not her real name) suffered from anxiety, so much so that it made the pain from a stomach ulcer far worse.

Helmsman Derek Pusey steered the boat into a narrow gully within rocks to rescue the two men, who were in danger of being swept out to sea.
Clive Williams swam out to reach the men in their 60s, gave them lifejackets and waited with them during a very difficult rescue.
Both men from Cardigan received honours from the Shipwrecked Mariners' Society.
They had been sent to rescue two men, stranded high up on a ledge in steep rocks at Tresaith in September 2013.
Mr Williams was frequently pushed under water by the breaking waves as he tried to reach them and was knocked from the rocks several times.
He stayed with the cold and distressed men until they were taken ashore to Aberporth.
At one stage during the rescue, a powerful wave broke over the reef pushing the lifeboat towards the cliffs with significant force.
Mr Pusey managed to regain control and rapidly return the second casualty to safety.
He received The Lady Swaythling Trophy, awarded annually for an outstanding feat of seamanship, while Mr Williams got an individual commendation.
The helmsman of a second lifeboat Leonard Walters, who steered as close to the cliffs as possible in rough seas, has already received a framed letter of thanks from the RNLI chairman.
The society's chief executive Commodore Malcolm Williams said: "This rescue required an exceptional act of courage and ability.
"Despite technological advances we still rely on the bravery of rescue crews and individuals to help those in danger around our coast. "
Two lifeboat crew members have been given bravery awards for rescuing two men cut off by the tide off Ceredigion.

Co-leader Caroline Lucas said its "very distinct" plans for a universal basic income and a shorter working week aimed for a "confident and caring" nation.
It is promising a second vote on the final Brexit deal and to protect the "extraordinary gift" of free movement.
It is also pledging to scrap university tuition fees and nationalise railways.
Launching the party's "Green Guarantee" alongside co-leader Jonathan Bartley, Ms Lucas said young voters had been "betrayed" by the decision to leave the EU and the public had the right to reconsider whether to withdraw after "reading the small print" of the final deal.
The party will pledge to immediately guarantee the rights of EU citizens, protect freedom of movement and give the British public, rather than just Parliament, the final say on any EU deal.
Other key proposals include removing the private sector from the NHS and "reversing the NHS funding gap", in part paid for by scrapping Britain's nuclear weapons system.
Ms Lucas denied her party was aping Labour, saying Labour had adopted several Green policies from the 2015 general election.
"We are very glad that Jeremy Corbyn has taken some of our policies... but there are some very important things which sadly he is not doing.
"I feel so let down that Labour has not been a rigorous opposition when it comes to Brexit. We want as close as relationship to the EU as possible. We want to be in the single market, we want to stand up for free movement. Labour is not offering that... we are proud to be offering something very distinct."
Mr Bartley criticised the Conservatives' plans for a shake-up of social care, saying requiring everyone with assets of more than Â£100,000 to contribute to the cost of care in the home was a "massive own goal" and a product of years of under-investment in the system.
Earlier he told BBC Breakfast that a second referendum would include the option of remaining in the EU because it was not clear how the negotiations would pan out and people should have the right to change their mind.
"Let's have the conversation about it," he said.
On other issues, by calling for a Â£10 an hour minimum wage by 2020 and a shorter working week, he said his party were putting forward "bold ideas... and asking simple questions about who the economy is for".
"As a country, we are more wealthier than ever before and have seen more technical advances but people have not seen the benefits," he said.
Pressed on whether people would be able to work fewer hours on the same pay, he pointed to the Â£20bn which he said could be raised by reversing corporation tax cuts over the past seven years.
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The Green Party has called for bold action on the environment, education, welfare and Brexit as it launched its general election manifesto.

